Vienna Convention for the Protection of the Ozone Layer and Montreal Protocol on Substances that Deplete the Ozone Layer

Vienna Convention (Vienna, 1985) and Montreal Protocol (Montreal, 1987)

The Vienna Convention for the Protection of the Ozone Layer (1985) was negotiated in order to protect environment and thus human health against detrimental effects of human activity which change or could change the ozone layer. Concrete committments fulfilling the objectives set in the Vienna Convention are specified through the Montreal Protocol on Substances that Deplete the Ozone Layer (1987). The objective of the Protocol is to adopt and implement world-wide measures to eliminate production and use of almost 100 regulated substances that damage the ozone layer. The Protocol regulates the use of substances widely known as freons and halons and production and use of methyl bromide. The concerned substances demonstrate unusual stability which enables them to penetrate upper atmosphere layers where they weaken the ozone layer which protects the Earth from the UV radiation.

The Czech Republic ratified the Vienna Convention and the Montreal Protocol on 1 October 1990. They entered into force for the Czech Republic on 1 January 1993.

The contact person in the Czech Republic: Jana Borská (Jana.Borska@mzp.cz)

For further information please visit:
http://ozone.unep.org/